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What are the three layers of the eye from the outer layer to the inner layer?
Wiki User
∙ 6y ago
The eye contains three layers which are: the outer fibrous tunic, an intermediate vascular tunic, and an inner neural tunic (retina).
The outer fibrous tunic function is to serve as the sclera and cornea. The cornea serves as a opening to the eye and helps with thefocus of light rays. The sclera protects from large and small particles and provides a connection for extrinsic muscles.
The middle vascular tunic consists of three eye structures: choroid coat that helps to consumeexcess light, this is why the inside of the eye is dark and the ciliarry body which createsthe ciliary muscles and processes, and the iris which has smooth muscle controls the pupil size and also the colored part of the eye.
The inner nervous tunic contains the retina andthe visual receptor cells. This portion of the eye is made of different cell types like the nerve cell.
Wiki User
∙ 11y ago
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